Alert archive / Colorado / Special Weather Statements in 2017

Special Weather Statement, NWS Pueblo, CO

August 13, 2017Las Animas County, Colorado

NWS Pueblo, CO issued this special weather statement at Aug 13, 2017, 6:21 PM MDT for Las Animas County, Colorado. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 13, 2017, 6:21 PM MDT (00:21 UTC)
Expired
Aug 13, 2017, 6:45 PM MDT
In force
24 min
Issued by
NWS Pueblo, CO

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 154 km from the middle of the area, began a volume at 00:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.4 hours before the alert went out and 290 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2017-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2289 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2017-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2289 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1216 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.8
Supercell composite
8.3

Open this sounding in Storm Lab

The text

As transmitted.

823 
WWUS85 KPUB 140021
SPSPUB

Special Weather Statement
National Weather Service Pueblo CO
621 PM MDT SUN AUG 13 2017
 
COZ088-094-140045-
Eastern Las Animas County CO-
Trinidad Vicinity/Western Las Animas County Below 7500 Ft CO-
621 PM MDT SUN AUG 13 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL LAS ANIMAS COUNTY
UNTIL 645 PM MDT...

At 621 PM MDT, Doppler radar was tracking a strong thunderstorm over
Trinchera, or 24 miles northwest of Des Moines, moving east at 25
mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Branson and Trinchera. 

LAT...LON 3712 10418 3728 10378 3702 10367 3700 10382
      3700 10412
TIME...MOT...LOC 0021Z 250DEG 22KT 3706 10406 

$$

28

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 6:00 PM MDTSpecial Weather StatementPUBCrowley30 min
Aug 13, 6:23 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero52 min
Aug 13, 7:14 PM MDTSevere Thunderstorm WarningPUBOtero35 min
Aug 13, 9:28 PM MDTSpecial Weather StatementPUBKiowa32 min
Aug 13, 9:49 PM MDTSpecial Weather StatementPUBKiowa26 min
Aug 13, 10:23 PM MDTSpecial Weather StatementPUBKiowa37 min
Aug 14, 1:56 PM MDTSpecial Weather StatementPUB34 min
Aug 14, 2:26 PM MDTSpecial Weather StatementPUBLas Animas34 min
Aug 14, 2:44 PM MDTSpecial Weather StatementPUBEl Paso31 min
Aug 14, 2:53 PM MDTSpecial Weather StatementPUBHuerfano22 min
Aug 14, 2:56 PM MDTSpecial Weather StatementPUB34 min
Aug 14, 3:16 PM MDTSpecial Weather StatementPUBEl Paso29 min

Nearby

Special Weather Statements in Colorado, 2017Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.